A patient is getting an IV infusion of normal saline solution (NS solution is 0.9% NaCl). If a patient receives 875 ml of this solution, how much

A patient is getting an IV infusion of normal saline solution (NS solution is 0.9% NaCl). If a patient receives 875 ml of this solution, how much NaCl will he get?

4. Active ingredient of a pill comprises 45% of the pill mass. If a pill contains 325 mg of active ingredient, what is the total mass of the pill?

5. When a person takes a 975 mg Calcium Chewable supplement, on average only 12% of it is actually absorbed into the blood. How much calcium will enter a patient's blood stream after taking 3 Calcium Chewables?